Sylvia curruca

Lesser Whitethroat

Main author: Magnus Hellström, August 2014.
Citation: Ottenby Bird Observatory. 2015. Ringers DigiGuide – Sylvia curruca. www.ringersdigiguide.ottenby.se

MOULT

                     Adult         Young

Summer       SC              sp

Winter          wp              wp

Young sp: The post-juvenile moult includes most of body, LC, MC, 7-10 GC, and sometimes also inner alula feathers, CC, single TT and RR.
Young wp: The pre-breeding moult includes most of body, often some TT, some RR (often only R1, but at times more extensively) and inner alula. A few include innermost SS and innermost GC. Rarely, more SS/PP may be included. 
Adult SC: The post-breeding moult includes the complete plumage. Rare examples of arrested/suspended moult are known.
Adult wp: The pre-breeding moult includes most of body, often some TT and some RR (often only R1, but at times more extensively). A few include innermost SS and innermost GC.

Number of GC included in the post-juvenile moult shown as percentage of 1cy birds at Ottenby 2011-2013 (n=410).

SEX:

No plumage differences.

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